var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');

var index = require('./routes/index');
var users = require('./routes/users');
var timetable = require('./routes/timetable');
var group = require('./routes/group');
var tag = require('./routes/tag');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({extended: false}));
app.use(cookieParser());
// app.use(express.static(path.join(__dirname, 'public')));
app.use(express.static(path.join(__dirname, 'build')));


app.use(function (req, res, next) {
    res.setHeader("Access-Control-Allow-Origin", "*"); //允许哪些url可以跨域请求到本域
    res.setHeader("Access-Control-Allow-Methods", "GET,POST"); //允许的请求方法，一般是GET,POST,PUT,DELETE,OPTIONS
    res.setHeader("Access-Control-Allow-Headers", "x-requested-with,content-type,Token"); //允许哪些请求头可以跨域

    res.error = function (errorCode, errorReason) {
        const restResult = new RestResult();
        restResult.code = errorCode;
        restResult.errorReason = errorReason;
        res.send(restResult);
    };

    res.success = function (returnValue) {
        const restResult = new RestResult();
        restResult.code = RestResult.NO_ERROR;
        restResult.returnValue = returnValue || {};
        res.send(restResult);
    };
    next();
});


app.use('/', index);
app.use('/users', users);
app.use('/timetable', timetable);
app.use('/group', group);
app.use('/tag', tag);

app.post('/hello',function (req, res, next) {
    console.log(req.body);
    res.send({ccc: 456});
})

// catch 404 and forward to error handler
app.use(function (req, res, next) {
    var err = new Error('Not Found');
    err.status = 404;
    next(err);
});

// error handler
app.use(function (err, req, res, next) {
    // set locals, only providing error in development
    res.locals.message = err.message;
    res.locals.error = req.app.get('env') === 'development' ? err : {};

    // render the error page
    res.status(err.status || 500);
    res.render('error');
});

module.exports = app;
